Changeset 39023 in webkit for trunk/JavaScriptCore/JavaScriptCore.pri

Timestamp:

Dec 5, 2008, 4:50:06 AM (16 years ago)

Author:

Simon Hausmann

Message:

2008-12-05 Simon Hausmann <​[email protected]>

Reviewed by Tor Arne Vestbø.

Disable the JIT for the Qt build on Linux unless gcc is >= 4.2,
due to miscompilations.

File:

• trunk/JavaScriptCore/JavaScriptCore.pri (modified) (1 diff)

trunk/JavaScriptCore/JavaScriptCore.pri

@@ -13 +13 @@
 
 
-CONFIG(release):isEqual(QT_ARCH,i386):linux-g++*|win32-msvc* {
-     DEFINES += ENABLE_JIT ENABLE_WREC ENABLE_JIT_OPTIMIZE_CALL ENABLE_JIT_OPTIMIZE_PROPERTY_ACCESS ENABLE_JIT_OPTIMIZE_ARITHMETIC
-     linux-g++* {
+CONFIG(release):isEqual(QT_ARCH,i386) {
+     JIT_DEFINES = ENABLE_JIT ENABLE_WREC ENABLE_JIT_OPTIMIZE_CALL ENABLE_JIT_OPTIMIZE_PROPERTY_ACCESS ENABLE_JIT_OPTIMIZE_ARITHMETIC
+     # gcc <= 4.1 is known to miscompile, so require >= 4.2, written as major > 3 and minor > 1
+     linux-g++*:greaterThan(QT_GCC_MAJOR_VERSION,3):greaterThan(QT_GCC_MINOR_VERSION,1) {
+         DEFINES += $$JIT_DEFINES
          SOURCES += wtf/TCSystemAlloc.cpp
          DEFINES -= USE_SYSTEM_MALLOC
+     }
+     win32-msvc* {
+         DEFINES += $$JIT_DEFINES
      }
 }